AIXπ

Fortunately, we have the time of single-grade oils long behind us. A single-grade motor oil is like a much too short bedspread. You must decide whether the bottom or top is covered. For the engine this means; either it has reasonable cold starting characteristics or a good wear protection at high temperature. Both simultaneously is [...]

“Mapodo” – or: I’ll buy my motor oil online from now on

I recently made my first experience with Mapodo, an online shop for motor oils and lubricants. As most of the high quality motor oils are quite expensive here in Sweden I’m always looking for cheaper alternatives. Mapodo was discussed on various automotive forums such [...]

The details of, e.g. “5W” and “40″ alone don’t say much about the oil. The first number is the dynamic viscosity, how the oil behaves at a very low temperature. Especially interesting is to what temperature the oil is still flowing to the oil pump by itself.
E.g. “5W” means that the oil is still fluently [...]

A refinery ALWAYS produces mineral oil which consists of many different molecule forms. These oils are available in various qualities better ones and worse. E.g. hydro-crack oils (HC) are oils which are refinished in the refinery, the oils used for the HC oils are already of the better qualities. The oil molecules get cracked (hydro-cracked) [...]

I’m currently extremely hungry on knowledge about lubricants & motor oils. This may sound completely insane as most people don’t care about this at all but I found this a very interesting field of technology.
I have read a whole lot of stuff on various forums and other sources on the net and thought it might [...]